Jewish population in 1919 was 300. Source: "Directory of Jewish Local Organizations in the United States" pp. 330-583. American Jewish Year Book 5680 September 25, 1919 to Sept. 12, 1920; Volume 21. Edited by Harry Schneiderman for the American Jewish Committee. Submitted by Alan Hirschfeld.

Sinai (congregation): Sumter Society of Israelites organized in 1904. Temple Sinai, 11 Church Street, P.O. Box 1673, Sumter SC 29151, 803-773-2122. history: "Built in 1912 of brick in the Moorish Revival style, Temple Sinai was added to the National Register of Historic Places on January 21, 1999. It is also known as Congregation Sinai, whose official name is the Sumter Society of Israelites...". still active [April 2009]